Question about 2001 Toyota Highlander
Antenna needs to be replaced
Posted by Anonymous on
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Posted on Jan 02, 2017
placement of antenna is important this will determine which wires to use
most antenas are in the trunk of vehicle with a wire clip to connect or disconnect
find your wire clip running from old antena this will be where test light will be used one side of clip is full powered the other is key powered find good ground tip the test light on first prong light stays on this is full power other will be key powered
now your looking for the simple color wires ok on the back of your sterio there is an atenna wire which is blue this will power on only when sterio is on the other wire
you use test light to find without key in take your test light and find a permannent powered full on wire hot supply then connect antenna into these 2 things
at top the reason i mentioned this is cause the old power antena you can find the right leads in the trunk area where new antenna going to be placed with the test light you might need a second person to help you testing wires you in the back and them in the front turning the key on when you need it it makes things simpler with 2 people
i hope this helped you in your quest for knowledge
Posted on Jun 01, 2008
Pull off the 3 knobs for the heat controls. You will see a screw under the center knob. Remove it. Look to see if there are any screws near the vent grilles, remove them, if they are there. The whole center fascia then pulls out towards you. Remove the 4 bolts, and the radio is out. Easy.
Posted on Feb 07, 2009
SOURCE: Tacoma radio antenna
Use an antenna wrench to remove the chrome nut (I found a wrench on JC Whitney's website). Once the nut's removed, do the following (copied from the factory service manual):
REMOVE ANTENNA ROD
(a) Turn the ignition switch to ”LOCK” position.
(b) Press the ”AM, FM” buttons on the radio receiver, and simultaneously
turn the ignition switch to ”ACC” position.
The rod will extend fully and be released form the motor
After removing the antenna rod, leave the ignition switch
on ”ACC” position.
To prevent body damage when the antenna rod is released,
hold the rod while it comes out.
2. Auto Antenna Models:
INSTALL ANTENNA ROD
(a) Insert the cable of the rod until it reaches the bottom.
When inserting the cable, the teeth on the cable must face
toward the rear of the vehicle.
Insert the antenna approx. 300 mm (11.8 in.).
(b) Wind the cable to retract the rod by turning the ignition
switch to ”LOCK” position.
If the ignition switch is already in ”LOCK” position, do step
1 (c) first, then turn the ignition switch to ”ACC” position.
In case the cable is not wound, twist it, as shown in the
Even if the rod has not retracted fully, install the antenna
nut and inspect the antenna rod operation. It will finally retract
(c) Inspect the antenna rod operation by pressing the radio
wave band select buttons.
You can buy a new power mast online (ex. Discount Toyota Parts) for about $30.
Posted on Apr 04, 2009
SOURCE: HI I have toyota avensis verso
Air/Fuel Sensor Heater Circuit. (Bank 1 Sensor 2)
The A/F sensors are positioned high in the manifold before the cat and are used to make adjustments to the air/fuel ratio of the fuel injection system. The heated oxygen sensors are positioned after the cat and check the efficiency of the cat (what happened in there as a result of the A/F sensors above). They too can signal changes to the air/fuel ratio. These latter sensors only work when they are hot and need to be electrically heated quickly to give decent information quickly. They work by comparing the oxygen inside the exhaust with the oxygen on the outside.
You could say that the ones before the cat make large adjustments and the ones after make smaller refinements.
It is worth remembering that a fault code could have been stored because at some stage the sensor went outside of its range and for this reason it is always worth cancelling any stored codes as this sometimes puts the light out. There are also several other reasons why a sensor could be showing a fault (it is correctly saying that something else is causing incorrect air/fuel ratio) such as leaky EGR valves or vacuum pipes so just have a look around to see if there is anything obvious.
The DTC code will normally indicate the exact sensor that is faulty or at least showing out of range and not the group of sensors. In this case as you stand looking at the engine from in front of the car it is the top one on the drivers side.
Keep in mind they are sensitive devices (read that as fickle) and although you should start there you can often end up changing more than one and some cases even the cat before you can get them to settle down.
Posted on Mar 07, 2011
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